Home / 2,621,788.70-3,619,186.79-1,762,846.88

Finding the Fourth Proportional to 2,621,788.70, 3,619,186.79 and 1,762,846.88

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Solution

The fourth proportional to 2,621,788.70, 3,619,186.79 and 1,762,846.88 is: 2,433,480.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621,788.70 : 3,619,186.79 = 1,762,846.88 : x
  2. Step 2: Convert to fraction form
    2,621,788.70/3,619,186.79 = 1,762,846.88/x
  3. Step 3: Cross multiply
    2,621,788.70x = 3,619,186.79 × 1,762,846.88
  4. Step 4: Simplify right side
    2,621,788.70x = 6,380,072,113,978.55
  5. Step 5: Solve for x
    x = 6,380,072,113,978.55/2,621,788.70
  6. Step 6: Final answer
    x = 2,433,480.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.